Re: Home LAN : XP Pro SP2 - passwords ? Master browser ?


"Pete Kennedy" <peterkennedy@xxxxxxxxxx> a écrit dans le message de news:
ukALXU6TFHA.2056@xxxxxxxxxxxxxxxxxxxxxxx
>
> "Chuck" <none@xxxxxxxxxxx> a écrit dans le message de news:
> i98d71d64u64o51rp74fnbvukv361lrthl@xxxxxxxxxx
>> On Mon, 2 May 2005 23:28:36 +0200, "Pete" <no@xxxxxx> wrote:
>>
>> >
>> >"Chuck" <none@xxxxxxxxxxx> a écrit dans le message de news:
> gkoc71l7bot8ambd7nasd6ckasfakh6us9@xxxxxxxxxx
>> >> On Mon, 2 May 2005 19:18:24 +0200, "Pete" <no@xxxxxx> wrote:
>> >>
>> >>>
>> >>>"Chuck" <none@xxxxxxxxxxx> a écrit dans le message de news:
>> >>>jijc71lnkrtvkfrq7ov4phoqp39tdohc5a@xxxxxxxxxx
>> >>>> On Mon, 2 May 2005 13:57:38 +0200, "Pete Kennedy"
>> >>>> <peterkennedy@xxxxxxxxxx>
>> >>>> wrote:
>> >>>>
>> >>>>>Hi,
>> >>>>>
>> >>>>>I recently connected a new laptop running XP Pro SP2 to an existing
>> >>>>>network
>> >>>>>with the host desktop running XP Pro SP2 and a client running XP
>> >>>>>Home
> SP2.
>> >>>>>I
>> >>>>>have a very common problem in that the host can't see the new laptop
> in my
>> >>>>>network places. Sometimes, the other laptop, running XP Home SP2,
>> >>>>>can
> see
>> >>>>>the new laptop, and sometimes it can't. The new laptop can access
>> >>>>>the
>> >>>>>other
>> >>>>>computers' files. I think the problem was initially caused when the
>> >>>>>network
>> >>>>>cable was plugged into the new laptop for the first time - DHCP
> attributed
>> >>>>>an IP address and the (third party) firewall immediately thought an
> attack
>> >>>>>was coming from the host and blocked it. So, an election was held
>> >>>>>and
> the
>> >>>>>new laptop designated itself as the master browser. So now the LAN
> has
>> >>>>>perhaps two master browsers and, chaos.
>> >>>>>
>> >>>>>I've read that you can disable the browser service but that its not
>> >>>>>necessarily a good idea to do so. I wonder therefore whether it
> wouldn't
>> >>>>>be
>> >>>>>a better idea to reinstall the network connnection on the new laptop
>> >>>>>without
>> >>>>>running the firewall at the same time. I can then configure the
> firewall
>> >>>>>on
>> >>>>>each PC manually to stop false "attacks". Is this advisable or is
> there a
>> >>>>>better solution ? And what would happen when the laptop was opened
> without
>> >>>>>being connected to the LAN - another election ?
>> >>>>>
>> >>>>>Also, I have seen that user account passwords must be used on XP Pro
>> >>>>>machines with simple file sharing enabled. However, the desktop XP
> Pro and
>> >>>>>the old laptop running XP Home see each other just fine without
> passwords
>> >>>>>and can access each others files. So, is it really necessary or is
> the
>> >>>>>current situation a reflection of a duff network configuration ?
>> >>>>>
>> >>>>>Thanks for your advice.
>> >>>>>
>> >>>>>Cheers
>> >>>>
>> >>>> Pete,
>> >>>>
>> >>>> The complaint "Sometimes, the other laptop, running XP Home SP2, can
> see
>> >>>> the new laptop, and sometimes it can't" is likely a browser problem.
>> >>>> Please
>> >>>> read my browser article:
>> >>>>
> <http://nitecruzr.blogspot.com/2005/04/nt-browser-or-why-cant-i-always-see.h
> tml>
>> >>>>
>> >>>> The problem is not false "attacks" that can be blocked by a
>> >>>> firewall.
> The
>> >>>> problem is the master browser election process.
>> >>>>
>> >>>> If the laptop is running the browser service, and you start it
> without
>> >>>> connecting it to the LAN, then yes, it will quite likely elect
>> >>>> itself
> a
>> >>>> master
>> >>>> browser. Connect it, and you will have chaos again.
>> >>>>
>> >>>> If you're running Simple File Sharing on all computers (XP Home and
> Pro),
>> >>>> the
>> >>>> Guest account is used for authorisation. You need to either have an
>> >>>> identical
>> >>>> password, or no password, on all computers.
>>
>> >>>Thanks,
>> >>>
>> >>>I've disabled the Browser Service on the new (problem) laptop.
>> >>>However,
> it
>> >>>doesn't appear possible to give the guest account a password, either
> real,
>> >>>or blank. How am I supposed to do it ? Or am I supposed to give the
> same
>> >>>password to all the other accounts on each machine.
>> >>>
>> >>>Confused
>> >>>
>> >>>Peter
>> >>>
>> >> Peter,
>> >>
>> >> On each computer, enable the Guest account, using Start - Run -
>> >> "cmd" -
> type
>> >> "net user guest /active:yes" in the command window. Set the password
> with Start
>> >> - Run - "control userpasswords2"; select Guest, click Reset Password.
>>
>> >Ok, identical passwords set on all accounts, guests included, on all
> computers. The old XP Home laptop can now see the new XP Pro laptop in the
> workgroup area and also in my network places. Progress! However, the
> desktop
> (host) XP Pro computer cannot see the new laptop in my network places but
> can see it in the workgroup area. I've disabled the master browser on the
> new laptop. What can the problem be ?
>> >
>> >This is the config on each machine (sorry, my versions of Windows are in
> French - I've translated some of it - but I daresay you'll understand
> what's
> going on) :
>>
>> Peter,
>>
>> How about browstat and ipconfig for the third computer? Might be a clue
> there.
>>
>> Did you disable the browser on the old laptop too? Are you running Simple
> File
>> Sharing on both XP Pro systems?
>>
>> What do you mean by the workgroup area?
>>
>> The browser requires anonymous access, so look at registry key
>> [HKLM\System\CurrentControlSet\Control\Lsa], value restrictanonymous, on
> all
>> computers.
>>
> <http://www.microsoft.com/windows2000/techinfo/reskit/en-us/default.asp?url=
> /windows2000/techinfo/reskit/en-us/regentry/46688.asp>
>> <http://www.jsifaq.com/subf/tip2600/rh2625.htm>
>> http://support.microsoft.com/?id=246261
>> http://support.microsoft.com/?id=296403
>>
>> For browsing to work (for each computer to be listed by a browser), each
>> computer must have a restrictanonymous value of "0".
>>
>> The above articles refer to Windows 2000. Remember Win2K is NT V5.0, and
> WinXP
>> is NT V5.1.
>>
>> Have you used the Registry Editor before? If not, it's a scary tool, but
> it's
>> pretty simple once you get used to it. Here are a couple articles that
> might
>> help:
>>
> <http://www.microsoft.com/windowsxp/home/using/productdoc/en/default.asp?url
> =/windowsxp/home/using/productdoc/en/tools_regeditors.asp>
>> <http://www.annoyances.org/exec/show/registry>
>>
>> Just remember to backup the key (create a registry patch) for
>> [HKLM\System\CurrentControlSet\Control\Lsa] before making any changes, if
>> appropriate.
>>
>
> Chuck,
>
> I'll run Browstat and Ipconfig on the third - XP Home - laptop and let you
> have the results later (I'm in the city today and don't have access to my
> LAN). By "Workgroup area", I mean the computers shown in the LAN when you
> click on the MSHOME icon (sorry, I'm translating this from French). My
> network places, ie shortcuts, on the XP Pro desktop which is the host, do
> not show the new XP Pro laptop. However, if I click on the "show computers
> in my workgroup" (or French equivalent), the new Laptop is there. The
> problem is with "My Network Places" which allows for easier browsing.
>
> I've not touched the browser service on the old XP Home computer. Should I
> ?
> Both XP Pro machines are using SFS. I disabled the browser service on the
> new XP Pro laptop. Should I re-enable it ?
>
> Regarding the "value restrictanonymous", all values are set to "0" so that
> would not appear to be the problem.
>
> Sigh
>
> Thanks for your help.
>
> Peter
>
>

Chuck,

This is what the third XP Home PC throws up :

Configuration IP de Windows



Nom de l'hôte . . . . . . . . . . : Peter

Suffixe DNS principal . . . . . . :

Type de noud . . . . . . . . . . : Mixte

Routage IP activé . . . . . . . . : Non

Proxy WINS activé . . . . . . . . : Non

Liste de recherche du suffixe DNS : mshome.net



Carte Ethernet Connexion au réseau local:



Suffixe DNS propre à la connexion : mshome.net

Description . . . . . . . . . . . : 3Com 3C920 Integrated Fast
Ethernet Controller (3C905C-TX Compatible)

Adresse physique . . . . . . . . .: 00-06-5B-D4-61-B6

DHCP activé. . . . . . . . . . . : Oui

Configuration automatique activée . . . . : Oui

Adresse IP. . . . . . . . . . . . : 192.168.0.234

Masque de sous-réseau . . . . . . : 255.255.255.0

Passerelle par défaut . . . . . . : 192.168.0.1

Serveur DHCP. . . . . . . . . . . : 192.168.0.1

Serveurs DNS . . . . . . . . . . : 192.168.0.1

Bail obtenu . . . . . . . . . . . : mardi 3 mai 2005 18:55:30

Bail expirant . . . . . . . . . . : mardi 10 mai 2005 18:55:30

Status for domain MSHOME on transport
\Device\NetBT_Tcpip_{C27FDC27-FCDC-4D55-B7C0-1BA34C27F45D}
Browsing is active on domain.
Master browser name is: AGNES
Could not open key in registry, error = 5 Unable to determine build
of browser master: 5
\\\\AGNES . Version:05.01 Flags: 51203 NT POTENTIAL MASTER
1 backup servers retrieved from master AGNES
\\AGNES
There are 3 servers in domain MSHOME on transport
\Device\NetBT_Tcpip_{C27FDC27-FCDC-4D55-B7C0-1BA34C27F45D}
There are 1 domains in domain MSHOME on transport
\Device\NetBT_Tcpip_{C27FDC27-FCDC-4D55-B7C0-1BA34C27F45D}

This compare to the problem XP Pro laptop which can't be seen by the XP Pro
host desktop :



Configuration IP de Windows



Nom de l'hôte . . . . . . . . . . : D7285M1J

Suffixe DNS principal . . . . . . :

Type de noud . . . . . . . . . . : Mixte

Routage IP activé . . . . . . . . : Non

Proxy WINS activé . . . . . . . . : Non

Liste de recherche du suffixe DNS : mshome.net



Carte Ethernet Connexion au réseau local:



Suffixe DNS propre à la connexion : mshome.net

Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated
Controller

Adresse physique . . . . . . . . .: 00-11-43-74-56-2D

DHCP activé. . . . . . . . . . . : Oui

Configuration automatique activée . . . . : Oui

Adresse IP. . . . . . . . . . . . : 192.168.0.166

Masque de sous-réseau . . . . . . : 255.255.255.0

Passerelle par défaut . . . . . . : 192.168.0.1

Serveur DHCP. . . . . . . . . . . : 192.168.0.1

Serveurs DNS . . . . . . . . . . : 192.168.0.1

Bail obtenu . . . . . . . . . . . : mardi 3 mai 2005 19:53:05

Bail expirant . . . . . . . . . . : mardi 10 mai 2005 19:53:05



Carte Ethernet Connexion réseau sans fil:



Statut du média . . . . . . . . . : Média déconnecté

Description . . . . . . . . . . . : Intel(R) PRO/Wireless 2200BG
Network Connection

Adresse physique . . . . . . . . .: 00-12-F0-42-99-C4

Status for domain MSHOME on transport
\Device\NetBT_Tcpip_{CC329325-7BE7-41A5-ACC1-221C90F81080}
Browsing is active on domain.
Master browser name is: AGNES
Could not open key in registry, error = 5 Unable to determine build
of browser master: 5
\\\\AGNES . Version:05.01 Flags: 51203 NT POTENTIAL MASTER
1 backup servers retrieved from master AGNES
\\AGNES
Unable to retrieve server list from AGNES: 71

Why can't it retrieve the server list ? Is this the key to the problem ?

Thanks for your help.

Peter




.

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